These recipes can only be used in the machine, no hand crafting.
I've put them all in their own sub-groups with a parent group called 'Recycling'
The crafting for the recycling machines, so that the player can make somer, appears on the Production tab.
But all the recycling recipes, even though they cannot be hand crafted, appear in the crafting menu. Because there's a recycling recipe for every (almost) recipe in the game, the effect is ugly and a scroll bar appears on the crafting menu, as shown below.
screenshot of ugly crafting tab
Is there any way that I can hide this unnecessary crafting tab? If I hide the recipes when I create them, the tab does not display, but then I cannot use them in the recycling machines.